//********************************************************************
//  NestedPanels.java       Author: Lewis/Loftus
//
//  Demonstrates a basic componenet hierarchy.
//********************************************************************

import java.awt.*;
import javax.swing.*;

public class NestedPanels
{
   //-----------------------------------------------------------------
   //  Presents two colored panels nested within a third.
   //-----------------------------------------------------------------
   public static void main(String[] args)
   {
      JFrame frame = new JFrame("Nested Panels");
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

      // Set up first subpanel
      JPanel subPanel1 = new JPanel();
      subPanel1.setPreferredSize(new Dimension(150, 100));
      subPanel1.setBackground(Color.green);
      JLabel label1 = new JLabel("One");
      subPanel1.add(label1);

      // Set up second subpanel
      JPanel subPanel2 = new JPanel();
      subPanel2.setPreferredSize(new Dimension(150, 100));
      subPanel2.setBackground(Color.red);
      JLabel label2 = new JLabel("Two");
      subPanel2.add(label2);

      // Set up primary panel
      JPanel primary = new JPanel();
      primary.setBackground(Color.blue);
      primary.add(subPanel1);
      primary.add(subPanel2);

      frame.getContentPane().add(primary);
      frame.pack();
      frame.setVisible(true);
   }
}
